> For the complete documentation index, see [llms.txt](https://book.runesterminal.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://book.runesterminal.io/4.-how-do-bitcoin-runes-work/etching-creating-a-rune/symbol.md).

# Symbol

* Single Unicode point to represent the "currency" (can be an emoji)
* Does not need to be unique